Multiple Choice
In bacteria,a particular gene codes for a protein that helps the bacteria break down and use lactose as a food source.If no lactose is present,
A) the gene will be broken down so no enzyme is made.
B) the gene will mutate to produce another,more useful,enzyme.
C) the promoter for this gene will be blocked so RNA polymerase can't bind.
D) the promoter for this gene will be enhanced so RNA polymerase binds more readily.
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Identify if the following situations represent an
Q8: The codon GAU codes for which amino
Q8: During transcription,<br>A)the DNA strands replicate, producing four
Q9: In bacteria,the antibiotic chloramphenicol prevents amino acids
Q10: Some viruses produce an enzyme called reverse
Q14: Bacteria do not have a nucleus,and therefore
Q59: Organisms can regulate both transcription and translation
Q63: The importance of tRNA is that it<br>A)carries
Q83: Identify if the following situations represent an
Q84: Following transcription,the<br>A) strands of DNA bond back